#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    int t, a, b, c;
    cin >> t;
    while(t > 0) {
        t--;
        cin >> a >> b >> c;
        cout << a + b - c << "\n";
    }
    return 0;
}